Feature: Portable Cassette Player, Play your collection of vintage cassettes. Awaken your memory of the past, awaken the classic music. Converts your precious cassette collection to MP3, save in Micro-SD card, no computer required. Can be used as for walkman, listen to the cassette/tape with headphone, speaker, car stereo. Just plug the 3.55mm AUX jack into converter, then power on. Easy to use - 2 modes for converting cassette/tape to MP3 (Manual Mode / Auto Mode). With playback function for easily checking the recorded file. Recommend USB Saving Format - FAT, FAT32, exFAT. Flexible battery or USB-powered operation. Function: Cassette Converter Power Supply: 2 x AA Battery/5V DC Power(Battery Not Included !!!) Storage Device: Micro-SD card, max 32GB Recording Information: mp3, 128Kbps Attention: It records only when the tape be playing. Material:plastic colour:As shown Package Contents: 1x Tape to Mp3 Converter 1x USB Cable 1x Earphone Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.